Featured Publications
The role of hepatokines in NAFLD
Stefan N, Schick F, Birkenfeld A, Häring H, White M. The role of hepatokines in NAFLD. Cell Metabolism 2023, 35: 236-252. PMID: 36754018, PMCID: PMC10157895, DOI: 10.1016/j.cmet.2023.01.006.Peer-Reviewed Original ResearchConceptsNon-alcoholic fatty liver diseaseNon-communicable diseasesInsulin resistanceVisceral obesityMajor non-communicable diseasesRole of hepatokinesFatty liver diseaseRole of fetuinVisceral adiposityFatty liverLiver diseaseCardiometabolic diseasesPathophysiological mechanismsOrgan crosstalkHepatokinesMain pathomechanismClinical practiceImportant causeDiseasePrecision medicineAdipokinesObesityMetabolismAdiposityPathomechanismLower Hepatic Fat Is Associated With Improved Insulin Secretion in a High-Risk Prediabetes Subphenotype During Lifestyle Intervention
Wagner R, Heni M, Kantartzis K, Sandforth A, Machann J, Schick F, Peter A, Fritsche L, Szendrödi J, Pfeiffer A, Schürmann A, Blüher M, Hauner H, Seissler J, Bornstein S, Roden M, Stefan N, Birkenfeld A, White M, Häring H, Fritsche A. Lower Hepatic Fat Is Associated With Improved Insulin Secretion in a High-Risk Prediabetes Subphenotype During Lifestyle Intervention. Diabetes 2022, 72: 362-366. PMID: 36525512, PMCID: PMC9935494, DOI: 10.2337/db22-0441.Peer-Reviewed Original ResearchConceptsInsulin secretionLifestyle interventionLiver fatOral glucose tolerance testHigh liver fatLifestyle intervention studyGlucose tolerance testHigh-risk clustersHepatic fatTolerance testInsulin sensitivitySpecific subphenotypesIntervention studiesSecretionTime pointsInterventionPrediabetesGlycemic traitsFatSubphenotypesGlycemiaCluster 3The P300 acetyltransferase inhibitor C646 promotes membrane translocation of insulin receptor protein substrate and interaction with the insulin receptor
Peng J, Ramatchandirin B, Wang Y, Pearah A, Namachivayam K, Wolf R, Steele K, MohanKumar K, Yu L, Guo S, White M, Maheshwari A, He L. The P300 acetyltransferase inhibitor C646 promotes membrane translocation of insulin receptor protein substrate and interaction with the insulin receptor. Journal Of Biological Chemistry 2022, 298: 101621. PMID: 35074429, PMCID: PMC8850660, DOI: 10.1016/j.jbc.2022.101621.Peer-Reviewed Original ResearchConceptsAbsence of insulinP300 acetyltransferase activityTyrosine kinase activityAcetyltransferase activityInsulin receptorObese patientsTyrosine phosphorylationRole of acetylationInsulinNormal functionMembrane translocationSubsequent activationC646PatientsLiver hepatocytesProtein substratesInhibitionReceptorsMolecular mechanismsHepatocytesPhosphorylationBeta subunitKinase activityObesityUnique effectsElevated circulating follistatin associates with an increased risk of type 2 diabetes
Wu C, Borné Y, Gao R, López Rodriguez M, Roell W, Wilson J, Regmi A, Luan C, Aly D, Peter A, Machann J, Staiger H, Fritsche A, Birkenfeld A, Tao R, Wagner R, Canouil M, Hong M, Schwenk J, Ahlqvist E, Kaikkonen M, Nilsson P, Shore A, Khan F, Natali A, Melander O, Orho-Melander M, Nilsson J, Häring H, Renström E, Wollheim C, Engström G, Weng J, Pearson E, Franks P, White M, Duffin K, Vaag A, Laakso M, Stefan N, Groop L, De Marinis Y. Elevated circulating follistatin associates with an increased risk of type 2 diabetes. Nature Communications 2021, 12: 6486. PMID: 34759311, PMCID: PMC8580990, DOI: 10.1038/s41467-021-26536-w.Peer-Reviewed Original ResearchConceptsAdipose tissue insulin resistanceTissue insulin resistanceType 2 diabetesFollistatin levelsGlucokinase regulatory protein geneFollistatin secretionHazard ratioInsulin resistanceNon-alcoholic fatty liver diseaseAdjusted hazard ratioFatty liver diseaseRisk of T2DFree fatty acid releaseFatty acid releaseIncident T2DLiver diseaseGenome-wide association studiesHuman adipocytesT2DAcid releaseStandard deviation increaseDiabetesSecretionRiskRegulatory protein gene
2021
Insulin action at a molecular level – 100 years of progress
White M, Kahn C. Insulin action at a molecular level – 100 years of progress. Molecular Metabolism 2021, 52: 101304. PMID: 34274528, PMCID: PMC8551477, DOI: 10.1016/j.molmet.2021.101304.Peer-Reviewed Original ResearchConceptsAmino acid sequenceType 2 diabetesFunction of insulinAcid sequenceMolecular knowledgeHuman diseasesInsulin-sensitive tissuesPhysiological functionsPhysiological roleInsulin receptorInsulin-resistant statesInsulin 100 yearsInsulin actionBlood glucoseCascadeInsulinDiabetesTissueDiscoveryRegulationTreatmentRemarkable advancesRoleSequenceYears
2020
From population to neuron: exploring common mediators for metabolic problems and mental illnesses
Takayanagi Y, Ishizuka K, Laursen T, Yukitake H, Yang K, Cascella N, Ueda S, Sumitomo A, Narita Z, Horiuchi Y, Niwa M, Taguchi A, White M, Eaton W, Mortensen P, Sakurai T, Sawa A. From population to neuron: exploring common mediators for metabolic problems and mental illnesses. Molecular Psychiatry 2020, 26: 3931-3942. PMID: 33173197, PMCID: PMC8514126, DOI: 10.1038/s41380-020-00939-5.Peer-Reviewed Original ResearchConceptsMajor mental illnessOlfactory neuronal cellsInsulin resistanceMental illnessBipolar disorderNeuronal cellsPathophysiological mediatorsHigh incidenceSZ patientsCommon mediatorIrs2 knockout miceSame large cohortIRS2 tyrosine phosphorylationDanish registriesBP patientsHealthy controlsHealthy subjectsLarge cohortEpidemiological dataEpidemiological studiesKnockout miceAnimal modelsPatientsMetabolic problemsDiabetesInsulin receptor substrates differentially exacerbate insulin-mediated left ventricular remodeling
Riehle C, Weatherford E, Wende A, Jaishy B, Seei A, McCarty N, Rech M, Shi Q, Reddy G, Kutschke W, Oliveira K, Pires K, Anderson J, Diakos N, Weiss R, White M, Drakos S, Xiang Y, Abel E. Insulin receptor substrates differentially exacerbate insulin-mediated left ventricular remodeling. JCI Insight 2020, 5: e134920. PMID: 32213702, PMCID: PMC7213803, DOI: 10.1172/jci.insight.134920.Peer-Reviewed Original ResearchConceptsTransverse aortic constrictionInsulin receptor substrate-1Left ventricular remodelingHeart failureVentricular remodelingCardiac hypertrophyTAC-induced LV hypertrophyPressure-overload cardiac hypertrophySevere LV dysfunctionInsulin receptor tyrosine kinase activityAkt1 activationReceptor tyrosine kinase activityLV dysfunctionLV hypertrophyWT miceInsulin resistanceLV remodelingAortic constrictionProinflammatory responseProtein kinase GInsulin receptor substrateReceptor substrate-1Kinomic profilingWT controlsTyrosine kinase activity
2018
Hyperglycemia induces vascular smooth muscle cell dedifferentiation by suppressing insulin receptor substrate-1–mediated p53/KLF4 complex stabilization
Xi G, Shen X, Wai C, White M, Clemmons D. Hyperglycemia induces vascular smooth muscle cell dedifferentiation by suppressing insulin receptor substrate-1–mediated p53/KLF4 complex stabilization. Journal Of Biological Chemistry 2018, 294: 2407-2421. PMID: 30578299, PMCID: PMC6378959, DOI: 10.1074/jbc.ra118.005398.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtherosclerosisCell DifferentiationHumansHyperglycemiaInsulin Receptor Substrate ProteinsInsulin ResistanceKruppel-Like Factor 4Kruppel-Like Transcription FactorsMiceMice, KnockoutMultiprotein ComplexesMuscle, Smooth, VascularMyocytes, Smooth MuscleProtein StabilityProto-Oncogene MasProto-Oncogene Proteins c-mdm2SwineTumor Suppressor Protein p53ConceptsKrüppel-like factor 4Vascular smooth muscle cell dedifferentiationSmooth muscle cell dedifferentiationInsulin receptor substrate-1Muscle cell dedifferentiationNormoglycemic miceAtherosclerotic lesionsHigh glucoseVSMC differentiationInsulin resistance stateP53 levelsIRS-1 knockdownSmooth muscle protein 22P53 associationExpression of p21Cell dedifferentiationMarker protein expressionAccelerates AtherosclerosisNondiabetic pigsDiabetic pigsIRS-1 overexpressionNutlin-3 treatmentMDM2/p53Receptor substrate-1MDM2 proto-oncogeneRho kinase/AMPK axis regulates hepatic lipogenesis during overnutrition
Huang H, Lee S, Sousa-Lima I, Kim S, Hwang W, Dagon Y, Yang W, Cho S, Kang M, Seo J, Shibata M, Cho H, Belew G, Bhin J, Desai B, Ryu M, Shong M, Li P, Meng H, Chung B, Hwang D, Kim M, Park K, Macedo M, White M, Jones J, Kim Y. Rho kinase/AMPK axis regulates hepatic lipogenesis during overnutrition. Journal Of Clinical Investigation 2018, 128: 5335-5350. PMID: 30226474, PMCID: PMC6264719, DOI: 10.1172/jci63562.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseFatty liver diseaseHepatic lipid accumulationLiver diseaseInsulin resistanceRisk factorsNovo lipogenesisObesity-related metabolic disordersLipid accumulationObesity-induced steatosisChronic liver diseaseObese diabetic miceDiet-induced obesityMajor risk factorSevere hepatic steatosisHigh-fat dietDe novo lipogenesisThermogenic gene expressionRho kinase 1Antidiabetes drugsDiabetic miceHepatic steatosisActivation of AMPKHepatocellular carcinomaMetabolic disordersInactivating hepatic follistatin alleviates hyperglycemia
Tao R, Wang C, Stöhr O, Qiu W, Hu Y, Miao J, Dong X, Leng S, Stefater M, Stylopoulos N, Lin L, Copps K, White M. Inactivating hepatic follistatin alleviates hyperglycemia. Nature Medicine 2018, 24: 1058-1069. PMID: 29867232, PMCID: PMC6039237, DOI: 10.1038/s41591-018-0048-0.Peer-Reviewed Original ResearchConceptsHepatic glucose productionAdipose tissue insulinGlucose toleranceTissue insulinSuppression of HGPGastric bypass surgeryFed obese miceHepatic insulin resistanceWhite adipose tissuePotential clinical significanceInsulin receptor substrate-1Bypass surgeryGlucose intoleranceHepatic inactivationObese miceInsulin resistanceObese individualsGlycated hemoglobinTranscription factor FOXO1Insulin sensitivityNormal suppressionClinical significanceReceptor substrate-1Adipose tissueExpression of FstAblation of insulin receptor substrates 1 and 2 suppresses Kras-driven lung tumorigenesis
Xu H, Lee M, Tsai P, Adler A, Curry N, Challa S, Freinkman E, Hitchcock D, Copps K, White M, Bronson R, Marcotrigiano M, Wu Y, Clish C, Kalaany N. Ablation of insulin receptor substrates 1 and 2 suppresses Kras-driven lung tumorigenesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: 4228-4233. PMID: 29610318, PMCID: PMC5910837, DOI: 10.1073/pnas.1718414115.Peer-Reviewed Original ResearchMeSH KeywordsA549 CellsAmino AcidsAnimalsAutophagyCarcinogenesisCarcinoma, Non-Small-Cell LungCodon, TerminatorGenes, rasHumansInsulinInsulin Receptor Substrate ProteinsInsulin-Like Growth Factor ILung NeoplasmsMiceNeoplasm ProteinsProteolysisProto-Oncogene Proteins c-aktProto-Oncogene Proteins p21(ras)Signal TransductionConceptsIR/IGF1RLung cancerLung tumorigenesisInsulin receptorTumor cellsInsulin-like growth factor 1 receptorCell lung cancerGrowth factor 1 receptorHuman NSCLC cellsEffective therapeutic strategyLung cancer initiationIntracellular levelsKirsten rat sarcomaFactor 1 receptorTumor burdenCancer deathLeading causeMutant NSCLCNSCLC cellsIGF1R inhibitionMouse modelTherapeutic strategiesInsulin/IGF1Acute lossRat sarcoma
2016
Down-regulation of Insulin Receptor Substrate 1 during Hyperglycemia Induces Vascular Smooth Muscle Cell Dedifferentiation*
Xi G, Wai C, White M, Clemmons D. Down-regulation of Insulin Receptor Substrate 1 during Hyperglycemia Induces Vascular Smooth Muscle Cell Dedifferentiation*. Journal Of Biological Chemistry 2016, 292: 2009-2020. PMID: 28003360, PMCID: PMC5290970, DOI: 10.1074/jbc.m116.758987.Peer-Reviewed Original ResearchConceptsInsulin receptor substrate-1Receptor substrate-1IRS-1Differentiated stateSubstrate-1Aberrant signalingMetabolic stressVascular smooth muscle cell dedifferentiationIGF-I stimulationIRS-1 expressionVascular smooth muscle cell migrationScaffold proteinSHPS-1Transcription factorsSmooth muscle cell dedifferentiationSmooth muscle cell migrationMuscle cell dedifferentiationMuscle cell migrationReceptor signalsVSMC dedifferentiationCell migrationInsulin-like growth factor ICell dedifferentiationMajor risk factorDevelopment of atherosclerosisG protein-coupled receptors (GPCRs) That Signal via Protein Kinase A (PKA) Cross-talk at Insulin Receptor Substrate 1 (IRS1) to Activate the phosphatidylinositol 3-kinase (PI3K)/AKT Pathway*
Law N, White M, Hunzicker-Dunn M. G protein-coupled receptors (GPCRs) That Signal via Protein Kinase A (PKA) Cross-talk at Insulin Receptor Substrate 1 (IRS1) to Activate the phosphatidylinositol 3-kinase (PI3K)/AKT Pathway*. Journal Of Biological Chemistry 2016, 291: 27160-27169. PMID: 27856640, PMCID: PMC5207145, DOI: 10.1074/jbc.m116.763235.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCells, CulturedCyclic AMP-Dependent Protein KinasesFemaleGranulosa CellsHumansInsulin Receptor Substrate ProteinsOvarian FolliclePhosphatidylinositol 3-KinasePhosphorylationProto-Oncogene Proteins c-aktRatsRats, Sprague-DawleyReceptors, G-Protein-CoupledSignal TransductionThyroid NeoplasmsConceptsG protein-coupled receptorsInsulin receptor substrate-1PI3K/Akt cascadeProtein-coupled receptorsAkt cascadeSer/ThrReceptor substrate-1PI3K/Akt activationInsulin-like growth factor-1PI3K/Akt pathwayGranulosa cellsConserved mechanismPI3K/AktCellular functionsProtein kinaseSer residuesSubstrate-1Myosin phosphataseSubunit 1Akt activationCell survivalAutocrine/paracrine mannerViral oncoproteinsAkt pathwayPreantral granulosa cellsIRS proteins and diabetic complications
Lavin D, White M, Brazil D. IRS proteins and diabetic complications. Diabetologia 2016, 59: 2280-2291. PMID: 27514532, PMCID: PMC5506098, DOI: 10.1007/s00125-016-4072-7.Peer-Reviewed Original ResearchConceptsIRS proteinsType 2 diabetesDiabetic complicationsMitogen-activated protein kinaseElicit cellular responsesCoronary artery diseaseElevated blood glucoseComplications of diabetesProtein kinaseDownstream effectorsAdaptor moleculeInsulin signalingCellular responsesNumber of organsInsulin receptorMacrovascular complicationsMicrovascular complicationsArtery diseasePatient morbidityBlood glucoseProteinMale micePatient outcomesCell proliferationComplicationsInsulin receptor substrate-1 deficiency drives a proinflammatory phenotype in KRAS mutant lung adenocarcinoma
Metz H, Kargl J, Busch S, Kim K, Kurland B, Abberbock S, Randolph-Habecker J, Knoblaugh S, Kolls J, White M, Houghton A. Insulin receptor substrate-1 deficiency drives a proinflammatory phenotype in KRAS mutant lung adenocarcinoma. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 8795-8800. PMID: 27439864, PMCID: PMC4978299, DOI: 10.1073/pnas.1601989113.Peer-Reviewed Original ResearchConceptsInsulin receptor substrate-1Janus kinase/signal transducerKinase/signal transducerTumor burdenActivator of transcriptionReceptor substrate-1IRS-1 deficiencyKRAS-mutant lung adenocarcinomaInsulin-like growth factor receptorAdenoviral Cre recombinaseIL-22 receptorMutant lung adenocarcinomaTumor-promoting inflammationAdaptor proteinSignificant survival disadvantageGrowth factor receptorSignal transducerSubstrate-1PI3KProinflammatory phenotypeLung cancerLung adenocarcinomaMutant subgroupTissue microarrayCre recombinase
2014
IRS2 integrates insulin/IGF1 signalling with metabolism, neurodegeneration and longevity
White M. IRS2 integrates insulin/IGF1 signalling with metabolism, neurodegeneration and longevity. Diabetes Obesity And Metabolism 2014, 16: 4-15. PMID: 25200290, DOI: 10.1111/dom.12347.Peer-Reviewed Original ResearchConceptsInsulin/IGF1Central nervous systemInsulin-like signalingLife spanOrganisms showsCellular functionsNutrient homeostasisInsulin resistanceGenetic manipulationSystemic insulin resistanceClinical Alzheimer's diseaseType 2 diabetesEnergy homeostasisNeurodegenerative diseasesMetabolismNeurodegenerationCompensatory hyperinsulinaemiaHomeostasisProgressive neurodegenerationSystemic metabolismIGF1Excess insulinNervous systemAlzheimer's diseaseClinical perspectiveAPPL1 Potentiates Insulin Sensitivity by Facilitating the Binding of IRS1/2 to the Insulin Receptor
Ryu J, Galan A, Xin X, Dong F, Abdul-Ghani M, Zhou L, Wang C, Li C, Holmes B, Sloane L, Austad S, Guo S, Musi N, DeFronzo R, Deng C, White M, Liu F, Dong L. APPL1 Potentiates Insulin Sensitivity by Facilitating the Binding of IRS1/2 to the Insulin Receptor. Cell Reports 2014, 7: 1227-1238. PMID: 24813896, PMCID: PMC4380268, DOI: 10.1016/j.celrep.2014.04.006.Peer-Reviewed Original ResearchInsulin and Metabolic Stress Stimulate Multisite Serine/Threonine Phosphorylation of Insulin Receptor Substrate 1 and Inhibit Tyrosine Phosphorylation*
Hançer N, Qiu W, Cherella C, Li Y, Copps K, White M. Insulin and Metabolic Stress Stimulate Multisite Serine/Threonine Phosphorylation of Insulin Receptor Substrate 1 and Inhibit Tyrosine Phosphorylation*. Journal Of Biological Chemistry 2014, 289: 12467-12484. PMID: 24652289, PMCID: PMC4007441, DOI: 10.1074/jbc.m114.554162.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnisomycinAntigens, CDBlotting, WesternCHO CellsCricetinaeCricetulusEnzyme InhibitorsHumansHypoglycemic AgentsInsulinInsulin Receptor Substrate ProteinsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPhosphorylationProtein Serine-Threonine KinasesProto-Oncogene Proteins c-aktRatsReceptor, InsulinRibosomal Protein S6 Kinases, 70-kDaSerineSignal TransductionThapsigarginThreonineTOR Serine-Threonine KinasesTunicamycinTyrosineConceptsTyrosine phosphorylationPhospho-specific monoclonal antibodiesSerine/threonine phosphorylationInsulin receptor tyrosine kinasePI3KInsulin receptor substrate-1Insulin-stimulated cellsHuman insulin receptorIRS1 tyrosine phosphorylationReceptor substrate-1Metabolic stressReceptor tyrosine kinasesThreonine phosphorylationThreonine residuesS6 kinasePI3K inhibitionSubstrate-1Mechanistic targetTyrosine kinaseInsulin stimulationMEK pathwayKey substrateInsulin receptorPresence of inhibitorsCHO cells
2013
Phosphatidylcholine Transfer Protein Interacts with Thioesterase Superfamily Member 2 to Attenuate Insulin Signaling
Ersoy B, Tarun A, D’Aquino K, Hancer N, Ukomadu C, White M, Michel T, Manning B, Cohen D. Phosphatidylcholine Transfer Protein Interacts with Thioesterase Superfamily Member 2 to Attenuate Insulin Signaling. Science Signaling 2013, 6: ra64. PMID: 23901139, PMCID: PMC3959124, DOI: 10.1126/scisignal.2004111.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsGlucoseHEK293 CellsHomeostasisHumansInhibitory Concentration 50InsulinLiverMechanistic Target of Rapamycin Complex 1MiceMice, TransgenicMultiprotein ComplexesPhospholipid Transfer ProteinsPhosphorylationSignal TransductionThiolester HydrolasesTOR Serine-Threonine KinasesTuberous Sclerosis Complex 2 ProteinTumor Suppressor ProteinsConceptsThioesterase superfamily member 2Insulin receptor substrate 2Phosphatidylcholine transfer proteinTSC1-TSC2 complexGenetic ablationRapamycin complex 1Transfer proteinSteady-state amountsMember 2Hepatic glucose homeostasisPhospholipid-binding proteinProtein exhibitInsulin signalingChemical inhibitionKey effectorsSubstrate 2Mammalian targetDiet-induced diabetesProteinTSC2KnockdownGlucose homeostasisPhospholipid-dependent mechanismsActivationComplexes 1Direct Autocrine Action of Insulin on β-Cells: Does It Make Physiological Sense?
Rhodes C, White M, Leahy J, Kahn S. Direct Autocrine Action of Insulin on β-Cells: Does It Make Physiological Sense? Diabetes 2013, 62: 2157-2163. PMID: 23801714, PMCID: PMC3712043, DOI: 10.2337/db13-0246.Peer-Reviewed Original ResearchConceptsΒ-cellsDirect autocrine effectsTransgenic mouse studiesSignal transductionPancreatic β-cellsDownstream elementsAutocrine actionRelevant ligandsΒ-cell functionAutocrine effectsMouse studiesCircumstantial evidencePhysiological senseTransductionAvailable experimental evidencePathwayInsightsExperimental evidenceInsulin